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How do I discover memory usage of my application in Android?
...ould be of little use, since the Java heap limit is there in part to avoid one app from being able to stress the system to this point.
Going lower-level, you can use the Debug API to get raw kernel-level information about memory usage: android.os.Debug.MemoryInfo
Note starting with 2.0 there is al...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
...t this will still prevent merging if those staged changes collide with the ones from upstream.
If you want to overwrite only specific parts of your local changes, there are two possibilities:
Commit everything you don't want to overwrite and use the method above for the rest.
Use git checkout p...
“Unknown class in Interface Builder file” error at runtime
...t really need to add a _keepAtLinkTime method. Simply calling an existing one, such as:
[MyClass class];
does the trick (as long as you derive from an NSObject).
Of course, you can call this in any location of your code. I guess it could even be in unreachable code. The idea is to fool the...
What is the difference between inversedBy and mappedBy?
...de of a (bidirectional) association
from doctrine documentation:
ManyToOne is always the owning side of a bidirectional assocation.
OneToMany is always the inverse side of a bidirectional assocation.
The owning side of a OneToOne assocation is the entity with the table containing the foreign key...
What's the difference between globals(), locals(), and vars()?
...e dictionary are reflected in the namespace:
class Test(object):
a = 'one'
b = 'two'
huh = locals()
c = 'three'
huh['d'] = 'four'
print huh
gives us:
{
'a': 'one',
'b': 'two',
'c': 'three',
'd': 'four',
'huh': {...},
'__module__': '__main__',
}
So far, every...
How can I get the corresponding table header (th) from a table cell (td)?
...It would be best to use an id to reference the table if there is more than one.
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Is Meyers' implementation of the Singleton pattern thread safe?
...destruction. Does the standard prevent the object from being destructed on one thread while (or before) another thread tries to access it at program termination?
– stewbasic
Jul 10 '17 at 0:50
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How can I pipe stderr, and not stdout?
...lanation 'Redirect stderr to stdout and then stdout to /dev/null' -- Since one has to read redirection chains from right to left (not from left to right), we should also adapt our plain text explanation to this: 'Redirect stdout to /dev/null, and then stderr to where stdout used to be'.
...
Disabled input text color
...y in Firefox and WebKit-based browsers (I checked in Safari, Chrome and iPhone).
10 Answers
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How to get random value out of an array?
...nction to select a random key from your array like below.
$array = array("one", "two", "three", "four", "five", "six");
echo $array[array_rand($array, 1)];
or you could use the rand and count functions to select a random index.
$array = array("one", "two", "three", "four", "five", "six");
echo...